Australian One Penny
1917

Monarch King George V
Edge          Plain
Weight          9.45 grams
Diameter          30.8 mm
Composition     97% copper, 2.5% zinc, 0.5% tin
Minted              Calcutta, India
Mintage          approx. 6,240,000
 
Design
Obverse Sir E.B. Mackennal
Reverse W.H.J. Blakemore